- Tests datacom telecom security video and audio networks;N/A- Two position switch for single or multi-tone signal;N/A- LEDs for line polarity continuity and voltage;N/A- Enhanced talk battery mode provides power for voice communications over inactive pairs;N/A- Testing leads and modular cables for individual wire tests or modular jack tests;N/A- Replaceable plastic tip to prevent accidental shorts;N/A- Trace or identify wire or cables in a bundle or group;N/A- Alligator clips RJ45 jack RJ12 plug optional F-connector;N/A- Lifetime warranty.